FR2969767B1 - Procede d'amelioration d'images acquises au moyen d'un radar a ouverture synthetique - Google Patents

Procede d'amelioration d'images acquises au moyen d'un radar a ouverture synthetique

Info

Publication number
FR2969767B1
FR2969767B1 FR1005080A FR1005080A FR2969767B1 FR 2969767 B1 FR2969767 B1 FR 2969767B1 FR 1005080 A FR1005080 A FR 1005080A FR 1005080 A FR1005080 A FR 1005080A FR 2969767 B1 FR2969767 B1 FR 2969767B1
Authority
FR
France
Prior art keywords
image
sar
another
former
resolution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1005080A
Other languages
English (en)
Other versions
FR2969767A1 (fr
Inventor
Julien Lafaix
Thierry Sfez
Stephane Lafolie
Luc Bosser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thales SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales SA filed Critical Thales SA
Priority to FR1005080A priority Critical patent/FR2969767B1/fr
Priority to EP11192115.1A priority patent/EP2469299B1/fr
Publication of FR2969767A1 publication Critical patent/FR2969767A1/fr
Application granted granted Critical
Publication of FR2969767B1 publication Critical patent/FR2969767B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10032—Satellite or aerial image; Remote sensing
    • G06T2207/10044—Radar image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20221—Image fusion; Image merging
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30181—Earth observation

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Image Processing (AREA)
FR1005080A 2010-12-23 2010-12-23 Procede d'amelioration d'images acquises au moyen d'un radar a ouverture synthetique Expired - Fee Related FR2969767B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1005080A FR2969767B1 (fr) 2010-12-23 2010-12-23 Procede d'amelioration d'images acquises au moyen d'un radar a ouverture synthetique
EP11192115.1A EP2469299B1 (fr) 2010-12-23 2011-12-06 Procédé d'amélioration d'images acquises au moyen d'un radar à ouverture synthétique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005080A FR2969767B1 (fr) 2010-12-23 2010-12-23 Procede d'amelioration d'images acquises au moyen d'un radar a ouverture synthetique

Publications (2)

Publication Number Publication Date
FR2969767A1 FR2969767A1 (fr) 2012-06-29
FR2969767B1 true FR2969767B1 (fr) 2013-04-05

Family

ID=44227857

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1005080A Expired - Fee Related FR2969767B1 (fr) 2010-12-23 2010-12-23 Procede d'amelioration d'images acquises au moyen d'un radar a ouverture synthetique

Country Status (2)

Country Link
EP (1) EP2469299B1 (fr)
FR (1) FR2969767B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103279927B (zh) * 2013-05-16 2017-04-26 中国电子科技集团公司第四十一研究所 一种多面阵图像生成方法及多面阵图像输出装置
CN103824300A (zh) * 2014-03-12 2014-05-28 西安电子科技大学 基于空间相关特征超像素块的sar图像分割方法
CN103886566B (zh) * 2014-03-18 2017-03-15 河海大学常州校区 一种恶劣天气下基于图像融合的城市交通调度系统及方法
CN105389798B (zh) * 2015-10-19 2018-08-24 西安电子科技大学 基于反卷积网络与映射推理网络的sar图像分割方法
CN107680061A (zh) * 2017-10-10 2018-02-09 中国人民解放军国防科技大学 基于相似性检验的双极化sar图像相干斑滤波方法
CN107945227B (zh) * 2017-11-21 2021-10-01 北京工业大学 红外全景监控中雷达显示区的生成方法
CN109100719B (zh) * 2018-07-27 2023-01-10 国家测绘地理信息局第三航测遥感院 基于星载sar影像与光学影像的地形图联合测图方法
US11346937B2 (en) 2019-06-10 2022-05-31 International Business Machines Corporation Remote tracking of progress at construction sites
CN114706078A (zh) * 2022-04-02 2022-07-05 南京航空航天大学 基于数字信号处理的太赫兹合成孔径雷达成像系统及方法

Also Published As

Publication number Publication date
EP2469299A1 (fr) 2012-06-27
FR2969767A1 (fr) 2012-06-29
EP2469299B1 (fr) 2015-01-21

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